CVE-2020-27603

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Oct 21, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-276046.5BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the APICVE-2020-276059.8BigBlueButton through 2.2.28 uses Ghostscript for processing of uploaded EPS documents, and consequently may be subject to attacks related tCVE-2020-276065.3BigBlueButton before 2.2.28 (or earlier) does not set the secure flag for the session cookie in an https session, which makes it easier for CVE-2020-276076.5In BigBlueButton before 2.2.28 (or earlier), the client-side Mute button only signifies that the server should stop accepting audio data froCVE-2020-276086.1In BigBlueButton before 2.2.28 (or earlier), uploaded presentations are sent to clients without a Content-Type header, which allows XSS, as CVE-2020-276095.3BigBlueButton through 2.2.28 records a video meeting despite the deactivation of video recording in the user interface. This may result in dCVE-2020-27614.9Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected arCVE-2020-276107.5The installation procedure in BigBlueButton before 2.2.28 (or earlier) exposes certain network services to external interfaces, and does notCVE-2020-276117.3BigBlueButton through 2.2.28 uses STUN/TURN resources from a third party, which may represent an unintended endpoint.CVE-2020-276124.3Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a rCVE-2020-276138.4The installation procedure in BigBlueButton before 2.2.28 (or earlier) uses ClueCon as the FreeSWITCH password, which allows local users to CVE-2020-276147.8AnyDesk for macOS versions 6.0.2 and older have a vulnerability in the XPC interface that does not properly validate client requests and all
CVE-2020-27603: High severity, CVSS 7.5 | Vulnix